Update app.py

app.py

@@ -23,13 +23,16 @@ def group_names(file, members_per_group):
 
 def main_interface(file, members_per_group):
     grouped_df = group_names(file, members_per_group)
-    # Here, we return the DataFrame directly instead of saving and returning a file path
-    return grouped_df
+    # Save the DataFrame to a CSV file with UTF-8 encoding
+    output_filename = '/tmp/grouped_names.csv'
+    grouped_df.to_csv(output_filename, index=False, encoding='utf-8-sig')
+    # Return both the DataFrame for display and the file path for downloading
+    return grouped_df, output_filename
 
 iface = gr.Interface(
     fn=main_interface,
     inputs=[gr.File(label="Upload CSV File"), gr.Number(label="Members per Group", value=5)],
-    outputs=gr.Dataframe(label="Grouped Names"),
+    outputs=[gr.Dataframe(label="Grouped Names"), gr.File(label="Download Grouped Names CSV")],
     allow_flagging="never"
 )